restore previous width of add analytic unit button

src/partials/tab_analytics.html

@@ -131,14 +131,14 @@
     </div>
   </div>
 
-  <div class="gf-form-button-row width-11" ng-if="!ctrl.analyticsController.creatingAnalyticUnit">
+  <div class="gf-form-button-row" ng-if="!ctrl.analyticsController.creatingAnalyticUnit">
     <button class="btn btn-inverse" ng-click="ctrl.createNew()">
       <i class="fa fa-plus"></i>
       Add Analytic Unit
     </button>
   </div>
   <div class="gf-form-button-row">
-    <button class="gf-form-label  width-10 pointer" ng-click="ctrl.showHelp = !ctrl.showHelp">
+    <button class="gf-form-label width-10 pointer" ng-click="ctrl.showHelp = !ctrl.showHelp">
       Show Help
       <i class="fa fa-caret-down" ng-show="ctrl.showHelp"></i>
       <i class="fa fa-caret-right" ng-hide="ctrl.showHelp"></i>